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Activated carbons were produced from corn straw lignin using H3PO4 as activating agent. The optimal activation temperature for producing the largest BET specific surface area and pore volume of carbon was 500 °C. The maximum BET specific surface area and pore volume of the resulting carbon were 820 m2g–1 and 0.8 cm3g–1, respectively. The adsorption isotherm model based on the Toth equation together...
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